| Crash location | Unknown |
| Nearest city | Marble, CO
39.072211°N, 107.188938°W |
| Tail number | N9643G |
|---|---|
| Accident date | 22 Sep 1990 |
| Aircraft type | Cessna 182P |
| Additional details: | None |
FAILURE OF THE PRIVATE PILOT (STUDENT PILOT) TO MAINTAIN SUFFICIENT ALTITUDE AND AIRSPEED ABOVE MOUNTAINOUS TERRAIN, AND INADEQUATE SUPERVISION BY THE INSTRUCTOR PILOT (CFI) AND HER DELAY IN TAKING REMEDIAL ACTION. FACTORS RELATED TO THE ACCIDENT WERE: THE TERRAIN CONDITIONS, HIGH DENSITY ALTITUDE, AND DIVERSION OF THE CFI'S ATTENTION.